John Deere 1550 Mower Blade Size

Quick answer:

The John Deere 1550 mower blade part numbers found are GX22151 and GY20850. The blade set part number found is GX22151. The blade measurement captured is center hole 0.62 in (16 mm).

Blade part #GX22151 and GY20850
Blade set part #GX22151
Blade sizecenter hole 0.62 in (16 mm)

John Deere 1550 Mower Blade Size and Part Numbers

Mower blade part number GX22151 and GY20850
Mower blade set part number GX22151
Blade center hole size 0.62 in (16 mm)
Blade type high-lift, mulching, standard, bagging, and 3-in-1

John Deere 1550 Blade Notes

Blade note The John Deere 1550 blade listing captured here shows single blade part numbers GX22151 and GY20850, blade set part number GX22151, and center hole 0.62 in (16 mm). Confirm the number against the deck tag, old blade stamp or official parts diagram before ordering
Blade type note The blade type captured for the John Deere 1550 is high-lift, mulching, standard, bagging, and 3-in-1. High-lift is usually better for bagging, while mulching blades are for chopping clippings finer under a compatible deck
Fitment note Before ordering John Deere 1550 blades, compare the old blade stamp, center-hole shape, blade length and deck size. Close-looking blades can still be wrong

John Deere 1550 Mower Blade FAQ

Can you modify a John Deere 1550 blade center hole to fit?

Do not do that. The captured center-hole detail is 0.62 in (16 mm). Grinding or drilling a mower blade can ruin balance and create vibration

What is the difference between the John Deere 1550 blade number and blade set number?

The captured single blade number is GX22151 and GY20850, while the captured blade set number is GX22151. Use the single blade number for one replacement and the set number when replacing the full deck set

Can you swap John Deere 1550 blade types?

The blade type captured is high-lift, mulching, standard, bagging, and 3-in-1. You can often choose a different style only if it fits the same deck and spindle setup. Use GX22151 and GY20850 as the fitment starting point

Official information note

Mistakes do happen. Blade specs can change by year, mower deck, spindle, serial range and regional parts catalog. Please check the operator manual, old blade stamp, deck tag and official John Deere parts catalog before ordering replacement blades.